"Merry Christmas! Here's to living, loving, laughing . . . and cute behinds!" Vanessa tweeted Tuesday, Dec. 25 with a photo of her son's ensemble. The snapshot was a closeup of Cam's little behind with "Baby's First Christmas" written in red.

Vanessa also shared a glimpse of baby Cam taking a nap on her chest Wednesday. "Snow storm in Cincinnati with my family," she captioned the photo. "The perfect day!"